- Dec 17, 2010
- ASUS ROG Strix Z390-I Gaming
- RX 580
The TRIM issue arises only if an affected drive is the boot device, and then, only if APFS formatted. HFS+ drives are apparently fine.
With the Samsung 980 Pro 1TB NVMe likely having the TRIM incompatibility in MacOS, I took the opportunity to shift it over to a Windows 10 boot drive.
I ordered a WD Black SN750 1TB NVMe and it should be here today. I’ll use it as the MacOS boot drive. Initially for Big Sur, and then for Monterey.
The whole intent on shifting from SATA SSD’s to NVMe SSD’s was for boot speed and operating speed. To me, it seems the NVMe TRIM incompatibility with some SSD’s would always be an issue regardless of it being a boot drive or storage drive in the MacOS world moving forward. I presume you just wouldn’t “see” the problem if it was a storage drive. But, the problem would still be there; likely reducing write speeds and SSD longevity. Shifting to HFS+ would prevent TRIM implementation for the SSD, but would be contrary to the original intent ——> speed.
I took this opportunity to switch computer cases. In doing so, I moved the Samsung NVMe to the bottom of the motherboard (Windows 10), and I’ll put the WD Black NVMe on the top of the motherboard (MacOS) when it comes in.
I’m always learning. Thanks for all the details and input.
FYI: “Mac OS Extended (Journaled) is also known as HFS Plus or HFS+. It is the file system used on all Mac OS 8.1 and later, including Mac OS X, since 1998.”
Wow! A 23 year old disk format by Apple. APFS was developed in 2017 to take advantage of SSD’s.